The figure (ii) given below shows a field with the measurements given in metres. Find the area of the field.
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total area = areaof triangle AED + triangle AXB + trapezium XBCZ + TRIANGLE DZC
now area of AED = 1/2X DA × EY = 1/2 X (DZ+ZX+XZ) X EY = 1/2 X (10+15+12) X 20 = 370
area of AXB = 1/2 × 12×30 = 180
AREA OF XBCZ = 1/2 × (30+25)×15 = 412.5
area of DZC = 1/2× 25×10 = 125
TOTAL AREA = 370 + 180+ 412.5+125 =1087 .5
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